Vulnerability Description
In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.32, < 3.16.77 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-SlackwarThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2020:0174Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0374Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0375Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0543Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0592Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0609Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0653Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0661Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0664Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0790Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlThird Party Advisory
FAQ
What is CVE-2019-17133?
CVE-2019-17133 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.
How severe is CVE-2019-17133?
CVE-2019-17133 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-17133?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Canonical Ubuntu Linux, Opensuse Leap.